body {
    min-height: 2000px;
    padding-top: 70px;
}
.myfooter{
    padding-top:20px;
    padding-bottom:20px;
    margin-top:50px;
    color:#767676;
    text-align: center;
    border-top:1px solid #e5e5e5;
}
.btn-toolbar{
    margin-bottom: 15px;
}
.btn-operate a{
    margin-right: 10px;
}
thead th,tr td{
    text-align: center;
}